*{ margin:0; padding:0;
   box-sizing: border-box;
}

body{ font-size:16px; font-family:微软雅黑;font-style:normal;}

a{ text-decoration:none}

a,a:hover{  transition:background 0.5s linear;-webkit-transition:background 0.5s linear;-moz-transition:background 0.5s linear;-o-transition:background 0.5s linear;}

em, i{font-style: normal;}

ul, ol, li{list-style: none;}

img{ border:none;vertical-align:middle;}

input,select,textarea{outline:none;border:none;background:none;}

textarea{resize:none;}

p{line-height:22px;}

.fl{float: left;}

.fr{float: right;}

.clear{ clear:both; height:0px; width:100%; overflow:hidden;}

.position{position:relative;}